Separable interlocking fastener and method of making the same



1938. A. E. CARLILE 2,127,839

SEPARABLE INTERLOCKING FASTENER AND METHOD OF MAKING THE SAME Filed July 12, 1935 I "INVENTOR. 6 Alfred E. alrlile A NEYS.

Patented Aug. 23, 1938 A 2,127,839

UNITEDSTATES PATENT OFFICE SEPARABLE INTERLOCKING FASTENER AND METHOD OF MAKING THE SAME Alfred E. Carlile, Meadville, Pa., assignor to Talon Inc., a corporation of Pennsylvania Application July 1'2, 1933, Serial No. 680,107

2 Claims. (Cl. 24-205) My invention relates to the separable interlockfastener members are next attached in place by ing fasteners and methods of making the same means of one or more rows of stitches, herein and has particular reference to the attachment designated I5, extending through the fiat portions of the individual fastener members to a flexible of the fastener members. Thefiat portions are 5 support. formed wider and shaped as indicated in Fig. 4, 5

It is an object of the invention to provide a in order that there may be more surface for resimple and effective means of attaching fastener ceiving stitches and at the same time, allow for members on a flexible support in uniformly spaced the proper degree of flexibility between the fasrelation without substantial distortion of the fastener members during opening and closing of the tener members. fastener. 10

More particularly my invention provides a fas- In the form illustrated, the slider is relatively tener in which the individual fastener members narrow and rides'on the shoulders l6 as clearly are attached to the flexible supports by stitching. shown in Fig. 2. Preferably the arrangement is such that one or As a result of my invention it will be apparent l5 more continuous rows of stitching extending that an effective means for attaching the fasalong the edge of the tape penetrate the attachtener members to the tape has been provided. It ing portions of the fastener members. i is merely necessary to arrange the fastener mem- In the accompanying drawing I have shown for bers and hold them in proper relation on the tape, purposes of illustration one embodiment which and pass the assembly through a sewing machine 20. my invention may assume in practice. In the of the proper type. The needle will readily penedrawing: trate the non-metallic portions of the fastener Fig. l is a general view of a fastener structure members and a secure attachment can be proin accordance with my invention; vided by the use of sufficiently strong threads.

Fig. 2 is a cross-section on line 2-4 of Fig. 1; While I have in this application specifically Fig. 3 is a perspective view showing certain shown and described one embodiment which my 25 details; invention may assume in practice, it will be Fig. 4 is a perspective view of an individual fasunderstood that this embodiment is merely for tener member. the purposes of illustration and description and The fastener members are formed of a material that various other forms may be devised within which will allow the passage of a needle through the scope of my invention as specifically set forth 30 a relatively thin section. Preferably the fastener in the appended claims. members are made from a non-metallic material What I claim as my invention is: such as cellulose acetate or cellulose nitrate. 1. A separable interlocking fastener of the class In the particular fastener illustrated there is described comprising a pair of flexible supports,

provided a pair of flexible supports, herein fabric cooperating series of fastener members arranged tapes 6, 1 having attached thereto fastener memin uniformly spaced relation along the edge of bers generally indicated by the numeral 8. Such said supports, said members being made from fastener members are closely and uniformly non-metallic material having portions projecting spaced and adapted to be brought together and from the tape adapted to interlock with similar interlocked by means of a. slider 9 actuated bya members on the opposite tape, and other rela- 40 pull tab Ill. The shape of the interlocking fastively thin flat portions overlapping said support, tener members may vary and the particular form said thin portions having curved extensions exshown is similar to that of a well-known slide fastending longitudinally along the tapes to provide tener. The interlocking portion which projects a substantially continuous line of the non-metal- 5 from the edge of the flexible supports comprises lic material, and a continuous row of stitches a projection Ii on one side and a recess I! on the passed through said flat portions to hold them opposite side. I The attaching portion may comin position on said tapes. prise a single or double fiat portion herein-desig- 2. A fastener member for separable interlocknated l3, which is adapted to overlap an edge of ing fasteners of the type described, having an the tape. As herein shown, each tape is bifurinterlocking portion and an integral attaching cated to provide edges I l, on opposite sides of the portion made of non-metallic material, the atflat section l3 of the fastener members. If detaching portion comprising a flat solid extension sired the tape can be of single thickness with the of such thinness as to be pierceable by a sewing attaching portion of the fastener member overmachine needle, the interlocking portion being oi.

lapping the same. Also a bifurcated attaching greater thickness and providing shoulders against 55 portion may be provided on the fastener member which a slider can bear. to be placed astride the edge of the tape. The ALFRED E. CARLILE. 

